| invite | indbyde |
| Inđija | Inđija |
| Io | Io |
| Ioan Gruffudd | Ioan Gruffudd |
| Iocaste | Iokaste |
| iodine | jod |
| Iolanda Balaş | Iolanda Balas |
| ion | ioner |
| Ion Antonescu | Ion Antonescu |
| ion exchange | ionbytning |
| ion exchanger | ionbytter |
| Ion thruster | Ion-motor |
| Ionian mode | Ionisk |
| Ionian Sea | Ioniske Hav |
| Ionic Greek | Ionisk |
| ionising radiation | ioniserende stråling |
| ionosphere | ionosfære |
| Iota | Iota |
| Iowa | Iowa |
| Iowa tribe | Iowa |
| IP address | IP-adresse |
| IPA | Det internationale fonetiske alfabet |
| Ipabog | Ipabog |
| Iphigeneia | Ifigenia |
| Iphigeneia in Tauris | Ifigenia i Tauris |
| Iphigenia | Ifigenia |
| Iphigenia in Tauris | Ifigenia i Tauris |
| Iphigenie auf Tauris | Ifigenia i Tauris |
| Iphigénie en Tauride | Iphigenia på Tauris |
| IPod | IPod |
| IPod shuffle | IPod shuffle |
| Ipotane | Limurt |
| IPsec | IPsec |
| Ipswich | Ipswich |
| IQ | Intelligenskvotient |
| Iquique | Iquique |
| Iquique Province | Iquique |
| Ira Levin | Ira Levin |
| Irak | Irak |
| Iran | Iran |
| Iran-Contra Affair | Iran-Contra-skandalen |
| Iran-Iraq War | Iran-Irak-krigen |
| Iranian calendar | Iranske kalender |
| Iranian languages | Iranske sprog |
| Iranian rial | Rial |
| Iraq | Irak |
| Iraq Interim Governing Council | Irakiske Regerende Råd |
| Iraq national football team | Iraks fodboldlandshold |
| Iraq Study Group | Baker-Hamilton-kommissionen |
| Iraq War | Irakkrigen |
| Iraq-Iran War | Iran-Irak-krigen |
| Iraqi | Irak |
| Iraqi dinar | Irakisk dinar |
| Iraqi Governing Council | Irakiske Regerende Råd |
| Iraqi insurgency | Irakiske oprørere |
| Iraqi Kurdistan | Kurdistan |
| Irazú Volcano | Irazú |
| Ireland | Irland |
| Irenaeus | Irenæus |
| Irgun | Irgun |
| Iridium | Iridium |
| Iridoid | Iridoid |
| Iris | Iris |
| Iris oratoria | Iris |
| Iris pseudacorus | Gul Iris |
| Irish | irsk |
| Irish dance | Irsk dans |
| Irish Gaelic | irsk |
| Irish Premier League | Premier League |
| Irish Republican Army | IRA |
| Irish Sea | Irske Hav |
| Irish whiskey | Irsk whisky |
| Irishman | irlænder |
